HFrEF: Heart Failure with Reduced Ejection Fraction; HFpEF: Heart Failure with Preserved Ejection Fraction; bpm: Beats per minute; SBP: Systolic Blood Pressure; DBP: Diastolic Blood Pressure; Hb: Hemoglobin; TLC: Total Leukocyte Count; PLT: Platelet Count; BNP: B-type Natriuretic Peptide. Here, GSTM1 is linked to heart failure.